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CHANGELOG.md

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Changelog

1.4.2

  • Fix pathvalidate dependency

1.4.1

  • Add missing wheels

1.4.0

  • Add Chinese phonemizer based on g2pW
    • Using a quantized version of the original model with quantize_dynamic
  • Add --data.phoneme_type pinyin for Chinese phonemization using g2pW
  • Add --data.phoneme_type text for using IPA phonemes directly (no espeak-ng)
  • Add --model.vocoder_warmstart_ckpt <CHECKPOINT> to restore vocoder params only
  • Add --data.dataset_type 'phoneme_ids' to train with pre-generated phoneme ids
    • Use --data.num_symbols <N> to set number of phonemes
    • Use --data.phonemes_path "/path/to/phonemes.json" for phoneme/id map
  • Add --output-dir-naming option with timestamp (default) and text

1.3.1

  • Add experimental support for alignments (see docs/ALIGNMENTS.md)
  • Raw phonemes no longer split sentences
  • Fix training for multi-speaker voices

1.3.0

  • Moved development to OHF-Voice org
  • Removed C++ code for now to focus on Python development
    • A C API libpiper written in C++ is planned
  • Embed espeak-ng directly instead of using separate piper-phonemize library
  • Change license to GPLv3
  • Use Python stable ABI (3.9+) so only a single wheel per platform is needed
  • Change Python API:
    • PiperVoice.synthesize takes a SynthesisConfig and generates AudioChunk objects
    • PiperVoice.synthesize_raw is removed
  • Add separate piper.download_voices utility for downloading voices from HuggingFace
  • Allow text as CLI argument: piper ... -- "Text to speak"
  • Allow text from one or more files with --input-file <FILE>
  • Excluding any file output arguments will play audio directly with ffplay
  • Support for raw phonemes in text with [[ <phonemes> ]]
  • Adjust output volume with --volume <MULTIPLIER> (default is 1.0)
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